are pouring in about the man in charge of so many of the nation's secrets, general david petraeus, forced to resign. and what about the woman at the center of his story? tonight, new questions, as well, about what was really going on and when and the avalanche of e-mails now beginning to emerge. abc's martha raddatz reports in now. martha? >> reporter: diane, an official tells abc news tonight, the fbi discovered hundreds, if not thousands, of e-mails between david petraeus and paula broadwell on her computer, an affair that petraeus is claiming did not begin until he left the army. a friend close to petraeus says the general was "shocked and surprised" to learn broadwell had been sending anonymous threatening e-mails to jill kelley, the petraeus family friend who was so alarmed by the e-mails, she called the fbi. those friends also tell us the general's wife, holly petraeus, is furious with her husband. you see her here at his confirmation hearings back in august of 2011, broadwell sitting just a few seats away. petraeus insists they weren't having an affair then, which leads us to the f